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312136950 = 23522080913
BaseRepresentation
bin10010100110101…
…101010011110110
3210202100012101210
4102212231103312
51114401340300
650550102250
710510056156
oct2246552366
9722305353
10312136950
11150214124
128864a986
134c88a228
142d652766
151c60a050
hex129ad4f6

312136950 has 24 divisors (see below), whose sum is σ = 774100008. Its totient is φ = 83236480.

The previous prime is 312136931. The next prime is 312136961. The reversal of 312136950 is 59631213.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1040307 + ... + 1040606.

It is an arithmetic number, because the mean of its divisors is an integer number (32254167).

Almost surely, 2312136950 is an apocalyptic number.

312136950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312136950 is an abundant number, since it is smaller than the sum of its proper divisors (461963058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312136950 is a wasteful number, since it uses less digits than its factorization.

312136950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080928 (or 2080923 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 312136950 is about 17667.3979408401. The cubic root of 312136950 is about 678.3415104985.

The spelling of 312136950 in words is "three hundred twelve million, one hundred thirty-six thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 2080913 4161826 6242739 10404565 12485478 20809130 31213695 52022825 62427390 104045650 156068475 312136950